<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

    <form action="http://localhost:8080/05_web/helloServlet3" method="get">
        <input type="hidden" name="userName" value="root">
        <input type="hidden" name="password" value="你">
        <input type="submit" value="提交">
    </form>
    <br/>
    <form action="http://localhost:8080/05_web/parameterServlet" method="get">
        用户名：<input type="text" name="username" value="root"><br/>
        密  码：<input type="password" name="password" value="123456"><br/>
        爱  好：<input type="checkbox" name="hobby" value="cpp">C++
                <input type="checkbox" name="hobby" value="java">Java
                <input type="checkbox" name="hobby" value="js">JavaScript<br/>
        <input type="submit" value="提交">
    </form>
</body>
</html>